/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2004-2011 OpenCFD Ltd.
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Application
    dieselFoam

Description
    Solver for diesel spray and combustion.

\*---------------------------------------------------------------------------*/

#include "fvCFD.H"
#include "hCombustionThermo.H"
#include "turbulenceModel.H"
#include "spray.H"
#include "psiChemistryModel.H"
#include "chemistrySolver.H"

#include "multivariateScheme.H"
#include "IFstream.H"
#include "OFstream.H"
#include "Switch.H"
#include "mathematicalConstants.H"
#include "pimpleControl.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

int main(int argc, char *argv[])
{
    #include "setRootCase.H"
    #include "createTime.H"
    #include "createMesh.H"
    #include "createFields.H"
    #include "readGravitationalAcceleration.H"
    #include "readCombustionProperties.H"
    #include "createSpray.H"
    #include "initContinuityErrs.H"
    #include "readTimeControls.H"
    #include "compressibleCourantNo.H"
    #include "setInitialDeltaT.H"

    pimpleControl pimple(mesh);

    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

    Info<< "\nStarting time loop\n" << endl;

    while (runTime.run())
    {
        #include "compressibleCourantNo.H"
        #include "setDeltaT.H"

        runTime++;
        Info<< "Time = " << runTime.timeName() << nl << endl;

        Info<< "Evolving Spray" << endl;

        dieselSpray.evolve();

        Info<< "Solving chemistry" << endl;

        chemistry.solve
        (
            runTime.value() - runTime.deltaTValue(),
            runTime.deltaTValue()
        );

        // turbulent time scale
        {
            volScalarField tk
            (
                Cmix*sqrt(turbulence->muEff()/rho/turbulence->epsilon())
            );
            volScalarField tc(chemistry.tc());

            // Chalmers PaSR model
            kappa = (runTime.deltaT() + tc)/(runTime.deltaT()+tc+tk);
        }

        chemistrySh = kappa*chemistry.Sh()();

        #include "rhoEqn.H"

        // --- Pressure-velocity PIMPLE corrector loop
        while (pimple.loop())
        {
            #include "UEqn.H"
            #include "YEqn.H"
            #include "hsEqn.H"

            // --- PISO loop
            while (pimple.correct())
            {
                #include "pEqn.H"
            }

            if (pimple.turbCorr())
            {
                turbulence->correct();
            }
        }

        #include "spraySummary.H"

        rho = thermo.rho();

        if (runTime.write())
        {
            chemistry.dQ()().write();
        }

        Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
            << "  ClockTime = " << runTime.elapsedClockTime() << " s"
            << nl << endl;
    }

    Info<< "End\n" << endl;

    return 0;
}


// ************************************************************************* //
